To format an SD card on a computer, follow these steps:

Insert the SD card into your computer's SD card reader.

Open "File Explorer" or "Windows Explorer" on your computer.

Right-click on the SD card drive and select "Format".

In the "Format" window, select the file system you want to use. (Usually, it is recommended to use the default file system.)

Give a name to the volume.

Select the option for "Quick Format" if you want to quickly format the SD card or leave it unchecked if you want a full format.

Click the "Start" button to begin the formatting process.

Wait for the process to complete.

Once the formatting is complete, you can safely eject the SD card from the computer.

Please refer to the instructions in below link to format your SD card on computer:

https://recoverit.wondershare.com/erase-data/how-to-format-micro-sd-card-on-windows.html

Note: Formatting an SD card will erase all the data on it, so make sure you have a backup of important files before proceeding with the formatting.

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